[michaelmrose]

It should be drawn where it's safe to draw it based on current knowledge.

I don't believe that it's firmly established that natural immunity is as good as 2 shots or natural immunity + 1 shot.

We bought more than enough doses to vaccinate everyone and downsides are small.

Consider a population of 10 million with natural immunity. Let us suppose that vaccination with Pfizer will kill between 0 and 1.

Suppose that 1% would fall ill and 1% of those die. That is 1000 preventable deaths.

It needn't be very much of a difference just 1/100th of 1% to vastly outweigh the risk of a very safe vaccine.